From mboxrd@z Thu Jan  1 00:00:00 1970
From: Karl Voit <devnull@Karl-Voit.at>
Subject: Re: Properties ID vs. CUSTOM_ID (was: Automatically Generating IDs
 From Title and Date)
Date: Thu, 22 Dec 2016 11:03:48 +0100
Message-ID: <2016-12-22T11-00-17@devnull.Karl-Voit.at>
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* Karl Voit <devnull@Karl-Voit.at> wrote:
> * Samuel Wales <samologist@gmail.com> wrote:
>> On 12/18/16, Karl Voit <devnull@karl-voit.at> wrote:
>>>   Usually, my IDs start with the current ISO day to enforce uniqueness
>>>   and look like this:
>>
>> my understanding, which might be incorrect, is that custom id is for
>> human-readable purposes, while id is for uuid.  although you could
>> prepend to uuid.
>
> To me, using :ID: was straight forward since I never read about any
> other ID when I began with Org-mode in 2011.

Another argument:

According to 
http://orgmode.org/worg/org-contrib/org-depend.html
I have to use :ID: properties and not :CUSTOM_ID: properties.

,----[ task with dependency to a generated ID ]
| ** TODO a task
| :PROPERTIES:
| :BLOCKER: 6347hsfdl387ns43
| :ID:
`----

... in comparison to:

,----[ task with dependency to a manually written ID ]
| ** TODO a task
| :PROPERTIES:
| :BLOCKER: contacting-customer-XY
| :ID:
`----

I prefer the example with the manually written ID since it is human
readable.

-- 
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